Cellular plastics as insulating building materials - Part 2: Insulating materials for impact sound insulation made of rigid expanded polystyrene foam— 14 стр.
German construction contract procedures - Part C: General technical specifications for building works - General rules for all kinds of building works— 15 стр.
German construction contract procedures - Part C: General technical specifications for building works - Carpentry and timber construction works— 24 стр.